Police: Pa. student flashed 2 knives, injured 20

A 16-year-old boy 'was flashing two knives around' when he injured 19 students and a school police officer who eventually subdued him with the help of an assistant principal at a high school near Pittsburgh on Wednesday, a police chief said. (April 9

http://www.wltx.com/video/3450361124001/1/Police-Pa-student-flashed-2-knives-injured-20Police: Pa. student flashed 2 knives, injured 20A 16-year-old boy 'was flashing two knives around' when he injured 19 students and a school police officer who eventually subdued him with the help of an assistant principal at a high school near Pittsburgh on Wednesday, a police chief said. (April 9NED BARKERMurrysvillenewslookUnited States of AmericauspennsylvaniaWorldDan Stevens01:18